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https://issues.apache.org/jira/browse/TOBAGO-240?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12464825
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Richard van Nieuwenhoven commented on TOBAGO-240:
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Nice feature but not at all my usecase. 
In our application there is a generic popup defined in the page for a lot of 
standard questions. 
This popup is activated by a controller class on the server (useing the 
rendered attibute). 

Do you know of a workaround? i could not find a easy one... 

p.s. in our case the actionId solution for the datepicker was also rather 
problematic because we need to 
have a new viewroot after each serverroundtrip (update issues) , now i have to 
save the actionId somewhere 
and reinstall it later in the new page. 

> tc:popup rendered attribute disabled (tc:popup not useable anymore)
> -------------------------------------------------------------------
>
>                 Key: TOBAGO-240
>                 URL: https://issues.apache.org/jira/browse/TOBAGO-240
>             Project: MyFaces Tobago
>          Issue Type: Bug
>    Affects Versions: 1.0.9
>         Environment: suse 10.0 myfaces 1.1.2 and jsf-ri 1.2 
>            Reporter: Richard van Nieuwenhoven
>
> we just switched to Tobago 1.0.9 and we discovered that the rendered 
> attribute of the popup is not evaluated anymore. worse still is almost not 
> possible to use popups from a page without the access to UIPopup class itself.
> The reason it that the isRendered method on the UIPopup is overwritten and it 
> checks if the last action on the page is compatible with the action inside 
> the popup (ignoring the superclass implementation that evaluates my 
> expression) ... in case of manual popups it will never succeed....
> In the demo application the popup is also not functional anymore, probably 
> for the same reason.
> Is it intended use that the popup should not be used anymore or is this a 
> major bug?
> regards,
> Ritchie

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